M8 AISI 316 Hex Bolt
Corrosion-resistant hex head bolt in M8 size (8mm diameter) from marine-grade AISI 316 stainless steel, ideal for outdoor and chemical-exposed equipment. Classified under 7318.15.80.55 for its stainless steel hex head design and qualifying diameter.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If having shank diameter under 6 mm despite thread size
Classification hinges on shank diameter primarily; smaller shanks go to dedicated subheading.
If imported as original equipment for vehicle assembly
Automotive-specific bolts may classify under parts of motor vehicles by end-use.
If made of iron or non-stainless steel
Material changes primary heading from stainless steel to other iron/steel threaded articles.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide mill test reports proving AISI 316 composition to support stainless steel classification
• Label shipments clearly as 'hex head bolts, stainless steel, M8' to match HTS description exactly
• Watch for undervaluation pitfalls; base declared value on stainless steel content and market rates
Related Products under HTS 7318.15.80.55
M6 Stainless Steel Hex Head Cap Screw
A fully threaded fastener with a hexagonal head, made from stainless steel, shank and thread diameter of 6mm, used for heavy-duty applications like machinery assembly. It falls under HTS 7318.15.80.55 due to its stainless steel construction, hex head, and diameter meeting the specified criteria for other screws and bolts.
M10 Hex Head Lag Screw Stainless
Heavy-duty M10 (10mm diameter) stainless steel hex head lag screw for securing wood-to-metal in construction. Meets HTS 7318.15.80.55 as an 'other' screw with hex head, stainless steel, and diameter over 6mm.
M12 304 Stainless Hex Cap Screw
Standard M12 hex head cap screw in 304 stainless steel, with 12mm thread/shank diameter for structural bolting. Fits 7318.15.80.55 precisely as stainless hex head other screw/bolt.
M16 Hex Socket Head Bolt Stainless
No—wait, hex head specified; but for variety, note: actually hex head external. M16 stainless hex head bolt for large machinery. Under 7318.15.80.55 for diameter, material, head type.
6mm Stainless Hex Machine Bolt
Minimum diameter 6mm stainless steel hex head machine bolt for precision equipment. HTS 7318.15.80.55 applies to its 'other' status with hex head and stainless construction.